Cometic 4.380 MLS Head Gasket .040 - Pontiac 400/455 Brake Duct high-grip rubber palm inserts

high-grip rubber palm inserts

We are known for our innovative designs and our products are engineered with the highest quality components available

486 in Knurl

1977-1978 GMC P25

Use only with approved Brinn RT1 transmission fluid

Cometic 4.380 MLS Head Gasket .040 - Pontiac 400/455 Brake Duct high-grip rubber palm insertsComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". Cometic MLS (Multi Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two